Journal article (1999) - EI Sharapov (author), JD Bowman (author), A Masaike (author), Y Masuda (author), Y Matsuda (author), GE Mitchell (author), SI Penttila (author), H Postma (author), NR Roberson (author), SJ Seestrom (author), HM Shimizu (author), SL Stephenson (author), BE Crawford (author), Y-F Yen (author), VW Yuan (author), PPJ Delheij (author), CM Frankle (author), K Fukuda (author), M Linuma (author), JN Knudson (author), SJ Lokitz (author), LY Lowie (author)